AD7484BSTZ Analog Devices Inc, AD7484BSTZ Datasheet - Page 5

• Manufacturer Part Number: AD7484BSTZ
• Description: IC ADC 14BIT SAR 3MSPS 48-LQFP
• Manufacturer: Analog Devices Inc

Specifications of AD7484BSTZ

• Data Interface: Parallel
• Number Of Bits: 14
• Sampling Rate (per Second): 3M
• Number Of Converters: 1
• Power Dissipation (max): 90mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Resolution (bits): 14bit
• Sampling Rate: 3MSPS
• Input Channel Type: Single Ended
• Supply Voltage Range - Analog: 4.75V To 5.25V
• Supply Voltage Range - Digital: 4.75V To 5.25V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-AD7484CBZ - BOARD EVALUATION FOR AD7484
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

TIMING CHARACTERISTICS
V
otherwise noted.
All timing specifications given in Table 2 are with a 25 pF load capacitance. With a load capacitance greater than this value, a digital buffer
or latch must be used.
Table 2.
Parameter
DATA READ
DATA WRITE
DD
Conversion Time
Quiet Time before Conversion Start
CONVST Pulse Width
CONVST Falling Edge to BUSY Falling Edge
CS Falling Edge to RD Falling Edge
Data Access Time
CONVST Falling Edge to New Data Valid
BUSY Rising Edge to New Data Valid
Bus Relinquish Time
RD Rising Edge to CS Rising Edge
CS Pulse Width
RD Pulse Width
WRITE Pulse Width
Data Setup Time
Data Hold Time
CS Falling Edge to WRITE Falling Edge
WRITE Falling Edge to CS Rising Edge
= 5 V ± 5%, AGND = DGND = 0 V, V
REF
= External; all specifications T
Rev. A | Page 5 of 20
MIN
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CONV
QUIET
1
2
3
4
5
6
7
8
14
15
9
10
11
12
13
to T
MAX
and valid for V
Min
100
5
0
0
30
30
5
2
6
5
0
DRIVE
Typ
10
= 2.7 V to 5.25 V, unless
Max
300
100
20
25
30
5
AD7484
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns